<template>
	<view v-if="goods_info.goods_name" class="good-detail-container">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,index) in goods_info.pics" :key="index">
				<image :src="item.pics_big" class="top-pic" @click="preview(index)">
				</image>
			</swiper-item>
		</swiper>
		<view class="goods_info_box">
			<view class="goods_price">￥{{goods_info.goods_price}}</view>
			<view class="goods-info-body">
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<view class="yf">快递：免运费</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<view class="good-nav">
			<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" :button-group="customButtonGroup" @click="onClick"
							@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import { mapState,mapMutations,mapGetters } from 'vuex'
	export default {
		computed:{
			...mapState('my_cart',[]),
			...mapGetters('my_cart',['total'])
		},
		watch:{
			//newval为total返回的数据
			total: {
					handler(newVal){
						const findResult=this.options.find(x=>x.text==='购物车')
						if(findResult){
							findResult.info=newVal
					}
				},
				//页面一加载就对total进行监听
				immediate:true
			}
		},
		data() {
			return {
				goods_info:{},
				options: [{
							icon: 'headphones',
							text: '客服'
						}, {
							icon: 'shop',
							text: '店铺',
							info: '',
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info: 0
						}],
				buttonGroup: [{
				  text: '加入购物车',
				  backgroundColor: '#ff0000',
				  color: '#fff'
				},
				{
				  text: '立即购买',
				  backgroundColor: '#ffa200',
				  color: '#fff'
				}
				]
			}
		},
		methods: {
			...mapMutations('my_cart',['addTocart']),
			async getGoodsDetail(goods_id){
				const {data:res}=await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
				if(res.meta.status!==200) return uni.$showMsg()
				res.message.goods_introduce=res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g,'jpg')
				this.goods_info=res.message
			},
			preview(i){
				uni.previewImage({
					current:i,
					urls:this.goods_info.pics.map(x=>x.pics_big)
				})
			},
			onClick (e) {
				if(e.content.text==='购物车'){
					uni.switchTab({
						url:'/pages/cart/cart'
					})
				}
				  },
			buttonClick (e) {
				
				if(e.content.text==='加入购物车'){
					/* 组织商品信息 */
					/* {goods_id,goods_name,goods_price,goods_count,goods_small_log,goods_state} */
					const good_detail={
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_big_logo:this.goods_info.pics[0].pics_sma_url,
						goods_state:true
					}
					this.addTocart(good_detail)
				}

			  }
		},
		onLoad(option) {
			const goods_id=option.goods_id
			this.getGoodsDetail(goods_id)
		}
		
	}
</script>

<style lang="scss">
	swiper{
		height: 750rpx;
	}
	.top-pic{
		width: 100%;
		height: 100%;
	}
	.goods_info_box{
		padding: 10px;
		padding-right:0px;
		.goods_price{
			color: #C00000;
			font-size: 18px;
			margin: 10px 0;
		}
		.goods-info-body{
			display: flex;
			justify-content: space-between;
			.goods-name{
				font-size: 13px;
				margin-right: 10px;
			}
			.favi{
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				color: gray;
			}
		}
		.yf{
			color: gray;
			font-size: 12px;
			margin: 10px 0;
		}
	}
	.good-nav{
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
	}
	.good-detail-container{
		padding-bottom: 50px;
	}
</style>
